From d818995cf91c9d632b2446022854529ac0f02835 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 3 Mar 2018 20:27:49 -0500
Subject: Add serd_realpath() utility function

---
 src/serd_internal.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/serd_internal.h')

diff --git a/src/serd_internal.h b/src/serd_internal.h
index cfcdc82c..bd30b8c4 100644
--- a/src/serd_internal.h
+++ b/src/serd_internal.h
@@ -18,12 +18,15 @@
 #define SERD_INTERNAL_H
 
 #define _POSIX_C_SOURCE 200809L /* for posix_memalign and posix_fadvise */
+#define _XOPEN_SOURCE   500     /* for realpath */
 
 #include <assert.h>
 #include <ctype.h>
 #include <errno.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdlib.h>
 #include <string.h>
 
 #include "serd/serd.h"
@@ -73,6 +76,19 @@ serd_bufalloc(size_t size)
 #endif
 }
 
+static inline const uint8_t*
+serd_realpath(const uint8_t* path)
+{
+#if defined(_WIN32)
+	static uint8_t real[MAX_PATH];
+	GetFullPathName(path, MAX_PATH, real, NULL);
+	return real;
+#else
+	static char real[PATH_MAX];
+	return (const uint8_t*)realpath((const char*)path, real);
+#endif
+}
+
 /* Byte source */
 
 typedef struct {
-- 
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